I! Evolution from Polar Bears

When I woke up, I turned into a polar bear cub? Etc! Global warming? Melting glaciers? Was I thrown into the Amazon by the scientific expedition team? This is really a sad story! Fortunately, the evolutionary system has been awakened. Devouring any creature will record the genes. The points are enough to fuse the genes... Alas, it is so difficult for me! Everything starts from Amazon... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.